* {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none
}

a:hover {
    text-decoration: none
}

p {
    font-size: 14px;
    margin: 0;
}

ul,
li {
    list-style: none
}

.fl {
    float: left
}

.fr {
    float: right
}

.clear {
    clear: both
}

input {
    outline: none
}

img {
    width: 100%;
    display: block;
}

.container {
    width: 1270px;
    margin: 0 auto;
}

.container::before,
.container::after {
    display: none;
}

body,
html {
    background: #fff;
    overflow-x: hidden;
    box-sizing: border-box;
}

body {
    font-family: "微软雅黑", microsoft yahei;

}


/*导航*/
.navbar {
    transition: 1s;
    left: 0;
    right: 0;
    position: relative;
    margin-bottom: 0;
    z-index: 9999;
    border-radius: 0;
    background: #fff;
    padding: 0 5%;
}
.navbar>div {
    display: -ms-flex;
    display: flex;
    -ms-flex-flow: row wrap;
    flex-flow: row wrap;
    justify-content: space-between;
    align-items: center;
}

.in-logo{
    display: flex;
    flex-flow: row wrap;
    align-items: center;
}
.navbar-brand {
    width: 80px;
    height: auto;
    padding:  5px 0;
    text-align: center;
}

.navbar-nav {
    display: -ms-flex;
    display: flex;
    -ms-flex-flow: row wrap;
    flex-flow: row wrap;
}
.navbar-nav>li{
    padding: 10px 20px;
    position: relative;
}
.navbar-nav>li>a {
    color: #000;
    transition: .5s;
    font-size: 17px;
    padding: 24px 10px;
    display: inline-block;
    text-transform: uppercase;
}
.navbar-nav>li.active>a{
    color: #00a1e9;
    font-weight: bold;
}


.navbar>div>i {
    display: none;
}

.in-serach-img{
    width: 50px;
    cursor: pointer;
}
.in-search-bg{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.5);
    display: none;
}
.in-search-bg form{
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    width: 50%;
    margin:10% auto;
    background: #FFF;
    padding: 60px 30px;
    
}
.navbar input{
    border: solid 1px transparent;
    width: 80%;
    padding: 10px 0;
}

.navbar .search-bg{
    border: solid 1px #eee;
    width: 100%;
    text-align: left;
    padding-left: 20px;
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    -ms-border-radius: 20px;
    -o-border-radius: 20px;
    position: relative;
}
.navbar .in-icon{
    background: #00a1e9;
    padding: 0 13px;
    border-radius: 0 20px 20px 0;
    -webkit-border-radius: 0 20px 20px 0;
    -moz-border-radius: 0 20px 20px 0;
    -ms-border-radius: 0 20px 20px 0;
    -o-border-radius: 0 20px 20px 0;
}
.navbar .in-icon i{
    color: #fff;
    padding-top: 15px;
    
}
.navbar form input::placeholder{
    font-size: 14px;
}
.navbar form button{
    background:transparent;
    border: none;
    
}
.in-search-close{
    position: absolute;
    top: -56px;
    right: -18px;
}
.in-search-close>i{
    font-size: 30px;
    color: #00a1e9;
    cursor: pointer;
}


/* banner */
.carousel{
    padding-top: 0;
}
.carousel-control.left,
.carousel-control.right {
    background: none;
    top: calc(100% - 50% - 60px)
}

.carousel-control>span {
    font-size: 60px;
    color: #fff;

}
.in-banner{
    position: relative;
}
.in-banner-con{
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}
.in-banner-con h3{
    font-size: 60px;
    color: #fff;
    font-weight: bold;
}
.in-banner-con p{
    font-size: 24px;
    color: #eee;
    width: 60%;
    margin: 40px 0;
}
.in-banner-con a{
    display: inline-block;
    padding: 15px 40px;
    color: #fff;
    background: #00a1e9;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    border: solid 2px #00a1e9;
    font-size: 20px;
}
.in-banner-con a:hover{
    border: solid 2px #00a1e9;
    background: transparent;
    color: #fff;
}

.title{
    padding: 50px 0 20px;
    text-align: center;
    margin: 50px auto 0;
    width: 50%;
}
.title>h3{
    font-size: 46px;
    color: #000;
    margin: 0;
    font-weight: bold;
    text-transform: uppercase;
}
.title>p{
    font-size: 18px;
    color: #aaa;
    text-transform: uppercase;
    padding: 30px 0;
}



.in-class p{
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
}
.in-class p>a{
    display: inline-block;
    padding: 10px 30px;
    font-size: 16px;
    color: #000;
    border: solid 1px #00a1e9;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    cursor: pointer;
    margin: 0 20px 50px;
}
.in-class p>a.class-cur{
    background: #00a1e9;
    color: #fff;
}
.in-class-down{
    text-align: center;
}


.in-class ul{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    padding-bottom: 80px;
}
.in-class ul>li{
    width: 31%;
    margin: 15px 0;
    box-shadow: 0 0 12px -2px #ccc;
    padding-bottom: 80px;
    position: relative;
}
.in-class ul:nth-of-type(1)>li:last-of-type,
.in-class ul:nth-of-type(3)>li:last-of-type{
    display: none;
}

.in-class-img{
    overflow: hidden;
}
.in-class ul>li img{
    transition: .5s;
    -webkit-transition: .5s;
    -moz-transition: .5s;
    -ms-transition: .5s;
    -o-transition: .5s;
}
.in-class ul>li:hover img{
    transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -moz-transform: scale(1.1);
    -ms-transform: scale(1.1);
    -o-transform: scale(1.1);
}
.in-class ul>li h3{
    font-size:30px;
    color: #000;
    font-weight: bold;
    padding: 20px 30px;
    text-transform: capitalize;
}
.in-class ul>li p{
    font-size: 20px;
    color: #666;
    padding: 0 30px;
    display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.in-about-link{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    margin: 30px 30px;
}
.in-class ul>li a{
    display: inline-block;
    padding: 10px 30px;
    border: solid 2px #00a1e9;
    color: #000;
    font-size: 16px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
}
.in-class ul>li a:hover{
    background: #00a1e9;
    color: #fff;
}
.in-class ul>li a:first-of-type{
    background: #00a1e9;
    color: #fff;
    margin-right: 15px;
}
.in-class ul>li a:first-of-type:hover{
    background: #0273a6;
    border: solid 2px #0273a6;
}


.in-about{
    background: #f5f5f5;
    padding: 80px 0;
}
.in-about>.container{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
}
.in-about img{
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    -ms-border-radius: 20px;
    -o-border-radius: 20px;
}
.in-ab-left{
    width: 48%;
}
.in-ab-left h3{
    font-size: 46px;
    color: #000;
    font-weight: bold;
}
.in-ab-left p{
    font-size: 18px;
    color: #92949F;
    display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 20px 0;
}
.in-ab-left a{
    display: inline-block;
    padding: 10px 30px;
    background: #00a1e9;
    font-size: 16px;
    color: #fff;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    margin-bottom: 30px;
}

.in-ab-right{
    width: 48%;
}
.in-ab-right h4{
    font-size: 26px;
    color: #000;
    font-weight: bold;
    margin-top: 30px;
}
.in-ab-right p{
    font-size: 18px;
    color: #92949F;
    display: -webkit-box;
  -webkit-line-clamp: 7;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 20px 0;
}



/* in-questions */
.in-questions{
    padding: 80px 0;
}
.in-questions>div{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
}
.in-que-img{
    width: 48%;
}
.in-que-img video{
    width: 100%;
}
.in-que-con{
    width: 48%;
}
.in-que-con1{
    padding: 100px 0;
}
.in-que-con>h3{
    font-size: 30px;
    color: #000;
    font-weight: bold;
}
.in-que-con>ul{
    margin-top: 40px;
}
.in-que-con>ul>li{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    align-items: center;
    margin: 15px 0;
}
.in-que-con>ul>li img{
    width: 30px;
    height: 30px;
}
.in-que-con>ul>li p{
    width: 92%;
    font-size: 16px;
    color: #666;
}
.in-que-con>a{
    display: inline-block;
    padding: 5px 15px;
    background: #00a1e9;
    border: solid 2px #00a1e9;
    color: #fff;
    margin-top: 40px;
    font-size: 16px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
}
.in-que-con>a:hover{
    border: solid 2px #00a1e9;
    background: transparent;
    color: #000;
}
.in-que-con>p{
    font-size: 16px;
    color: #666;
    margin-top: 20px;
}



.in-news{
    background: #f5f5f5;
    padding: 80px 0;
}
.in-news ul{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
}
.in-news ul>li{
    width: 31%;
    box-shadow: 0 0 12px -2px #ccc;
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    -ms-border-radius: 20px;
    -o-border-radius: 20px;
}
.in-news-img{
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    -ms-border-radius: 20px;
    -o-border-radius: 20px;
    overflow: hidden;
}
.in-news ul>li  img{
    transition: .5s;
    -webkit-transition: .5s;
    -moz-transition: .5s;
    -ms-transition: .5s;
    -o-transition: .5s;
}
.in-news ul>li:hover img{
    transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -moz-transform: scale(1.1);
    -ms-transform: scale(1.1);
    -o-transform: scale(1.1);
}
.in-news-con{
    padding: 0 20px;
}

.in-news ul>li span{
    font-size: 16px;
    color: #666;
    display: inline-block;
    padding: 15px 0 0;
    display: flex;
    align-items: center;
}
.in-news ul>li span i{
    font-size: 17px;
    color: #666;
    margin-right: 5px;
    margin-top: -2px;
}
.in-news ul>li h3{
    font-size: 24px;
    color: #000;
    font-weight: bold;
    margin: 20px 0;
}
.in-news ul>li:hover h3{
    color: #371406;
}
.in-news ul>li p{
    font-size: 18px;
    color: #92949F;
}
.in-news ul>li small{
    display: inline-block;
    font-size: 16px;
    font-weight: bold;
    color: #666;
    padding: 40px 0;
}
.in-news ul>li small i{
    transition: .5s;
    -webkit-transition: .5s;
    -moz-transition: .5s;
    -ms-transition: .5s;
    -o-transition: .5s;
}
.in-news ul>li:hover small{
    color: #371406;
}
.in-news ul>li:hover small i{
    transform: rotate(-30deg);
    -webkit-transform: rotate(-30deg);
    -moz-transform: rotate(-30deg);
    -ms-transform: rotate(-30deg);
    -o-transform: rotate(-30deg);
}

/* footer */
.in-footer{
    background: #181818;
}

.in-foot-con{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    padding: 80px 0;
}
.in-foot-con .in-foot-ul{
    width: 22%;
}
.in-foot-con ul>li{
    position: relative;
}
.in-foot-con .in-foot-ul>li{
    line-height: 26px;
    list-style: square;
    margin-left: 20px;
    color: #00a1e9;
    line-height: 50px;
}
.in-foot-con ul>li:first-of-type{
    margin-bottom: 20px;
    list-style: none;
    margin-left: 0;
}
.in-foot-con ul>li>h3{
    font-size: 24px;
    color: #fff;
    text-transform: uppercase;
    margin: 0;
    padding: 15px 0;
}
.in-foot-con ul>li>hr{
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 2px;
    background: #00a1e9;
    border: none;
    margin: 0;
}
.in-foot-con .in-foot-ul>li>a{
    font-size: 14px;
    color: #fff;
    text-transform: uppercase;
}
.in-foot-con .in-foot-add{
    width: 28%;
}
.in-foot-con .in-foot-add>li{
    display: flex;
    align-items: flex-start;
    line-height: 50px;
}
.in-foot-con .in-foot-add>li img{
    width: 30px;
    padding-top: 4px;
}
.in-foot-con .in-foot-add>li span{
    font-size: 14px;
    color: #fff;
    padding-left: 5px;
}

.in-foot-ewm{
    width: 20%;
}
.in-foot-ewm li:first-of-type{
    width: 100%;
}
.in-foot-ewm li{
    width: 50%;
    float: left;
}
.in-foot-ewm img{
    padding: 10px;
}
.in-foot-ewm li p{
    font-size: 14px;
    color: #fff;
    text-align: center;
}



.in-foot{
    width: 100%;
    z-index: 999;
    background: #444;
}
.in-foot p{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    padding: 20px 0;
}
.in-foot p>span{
    font-size: 16px;
    color: #fff;
}
.in-foot p>a{
    font-size: 16px;
    color: #fff;
}
@media all and (max-width:1440px) and (min-width:769px) {
    
}
@media all and (max-width:768px) {
    .navbar>div>i{
        display: block;
        font-size: 30px;
        color: #000;
        padding-top: 0;
    }
    .navbar-nav{
        position: absolute;
        left: 0;
        top: 66px;
        width: 100%;
        margin: 0;
        background: #fff;
        display: none;
    }
    .navbar-nav>li{
        width: 100%;
    }
    .navbar-nav>li>a{
        display: inline-block;
        width: 100%;
        padding: 12px 10px;
    }
    .navbar-brand{
        width: 55px;
    }
    .in-banner-con h3{
        font-size: 20px;
    }
    .in-banner-con p{
        font-size: 14px;
        width: 100%;
        margin: 5px 0;
        display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2; /* 限制在一个块元素显示的文本的行数 */
  overflow: hidden; /* 隐藏超出部分 */
  word-break: break-word; /* 单词换行 */
    }
    .in-banner-con a{
        font-size: 14px;
        padding: 5px 15px;
    }
    .title>h3{
        font-size: 20px;
    }
    .title{
        padding: 20px 0;
        width: 100%;
        margin: 0;
    }
    .title>p{
        font-size: 14px;
        padding: 20px 0;
    }
    .in-class p>a{
        padding: 10px 5px;
        margin: 10px 5px;
        font-size: 14px;
    }
    .in-class>p{
        margin-bottom: 30px;
    }
    .in-class ul:nth-of-type(1)>li:last-of-type,
.in-class ul:nth-of-type(3)>li:last-of-type{
    display: block !important;
}
    .in-class ul>li{
        width: 48%;
        margin: 5px 0;
    }
    .in-class ul>li h3{
        padding: 0 10px;
        font-size: 18px;
        margin: 10px 0;
        display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    }
    .in-class ul>li p{
        padding: 0 10px;
        font-size: 14px;
    }
    .in-news ul>li{
        width: 100%;
        margin: 5px 0;
    }
    .in-class ul>li a{
        padding: 5px 8px;
        font-size: 14px;
        margin: 5px 0;
    }
    .in-about-link{
        margin: 0 10px !important;
    }
    .in-about,.in-news{
        padding: 20px 0;
    }
    .in-ab-left,.in-ab-right,.in-que-img,.in-que-con{
        width: 100% !important;
    }
    .in-about img{
        margin: 5px 0;
    }
    .in-questions{
        padding: 20px 0;
    }
    .in-que-con1{
        padding: 20px 0;
    }
    .in-que-con>ul>li p{
        width: 86% !important;
    }
    .in-foot-con .in-foot-ul{
        display: none;
    }
    .in-foot-con .in-foot-add,.in-foot-ewm{
        width: 100%;
    }
    .in-search-bg form{
        width: 100%;
    }
}